gnu: Add GD-SecurityImage.

* gnu/packages/gd.scm (perl-gd-securityimage): New variable.

gnu/packages/gd.scm

@@ -26,6 +26,7 @@
   #:use-module (gnu packages)
   #:use-module (gnu packages perl)
   #:use-module (gnu packages image)
+  #:use-module (gnu packages imagemagick)
   #:use-module (gnu packages fontutils)
   #:use-module (gnu packages compression)
   #:use-module (gnu packages pkg-config)
@@ -117,3 +118,30 @@ most common applications of GD involve website development.")
 popular library for creating and manipulating PNG files.  With this library
 you can create PNG images on the fly or modify existing files.")
     (license (package-license perl))))
+
+(define-public perl-gd-securityimage
+  (package
+    (name "perl-gd-securityimage")
+    (version "1.73")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "mirror://cpan/authors/id/B/BU/BURAK/"
+                           "GD-SecurityImage-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1kaxs67rfd4w46lxgcg3pa05a596l0h1k8n4zk2gwrrar4022wpx"))))
+    (build-system perl-build-system)
+    (native-inputs
+     `(("perl-module-build" ,perl-module-build)))
+    (propagated-inputs
+     `(("perl-gd" ,perl-gd)
+       ("perl-image-magick" ,perl-image-magick)))
+    (home-page "http://search.cpan.org/dist/GD-SecurityImage")
+    (synopsis "Security image generator.")
+    (description "This module provides a basic interface to create
+security (captcha) images.  The final output is the actual graphic data, the
+mime type of the graphic, and the created random string.  The module also has
+some \"styles\" that are used to create the background (or foreground) of the
+image.")
+    (license (package-license perl))))